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6df259fb43
Avoid a crash when using instruction referencing if x87 floating point instructions are used. These instructions are significantly mutated when they're rewritten from referring to registers, to referring to floating-point-stack positions. As a result, their operands are re-ordered, and (InstrRef) LiveDebugValues asserts when it sees a DBG_INSTR_REF referring to a non-reg non-def register operand. To fix this, drop the instruction numbers, and thus variable locations. This patch adds a helper utility do do that. Dropping the variable locations is sub-optimal, but applying DBG_VALUEs to the $fp0 and similar registers is dropped on emission too. It seems we've never done well at describing variables that live in x87 registers, at all. Differential Revision: https://reviews.llvm.org/D105657 |
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| ADT | ||
| Analysis | ||
| AsmParser | ||
| BinaryFormat | ||
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| Bitstream | ||
| CodeGen | ||
| Config | ||
| DebugInfo | ||
| Demangle | ||
| DWARFLinker | ||
| ExecutionEngine | ||
| FileCheck | ||
| Frontend | ||
| FuzzMutate | ||
| InterfaceStub | ||
| IR | ||
| IRReader | ||
| LineEditor | ||
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| MC | ||
| MCA | ||
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| Passes | ||
| ProfileData | ||
| Remarks | ||
| Support | ||
| TableGen | ||
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| Testing/Support | ||
| TextAPI | ||
| ToolDrivers | ||
| Transforms | ||
| WindowsManifest | ||
| WindowsResource | ||
| XRay | ||
| CMakeLists.txt | ||
| InitializePasses.h | ||
| LinkAllIR.h | ||
| LinkAllPasses.h | ||
| module.extern.modulemap | ||
| module.install.modulemap | ||
| module.modulemap | ||
| module.modulemap.build | ||
| Pass.h | ||
| PassAnalysisSupport.h | ||
| PassInfo.h | ||
| PassRegistry.h | ||
| PassSupport.h | ||